Getting plate-solving status, please wait...
Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada

Cave Nebula (Sh2-155) widefield in HSTrgb

Getting plate-solving status, please wait...
Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada

Cave Nebula (Sh2-155) widefield in HSTrgb

Imaging telescopes or lenses: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach-1 GTO CP4

Guiding telescopes or lenses: Celestron OAG Deluxe

Guiding cameras: QHYCCD QHY5III174

Focal reducers: Riccardi Reducer/Flattener 0.75x

Software: Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro  ·  Astro-Physics AAPC

Filters: Astrodon HA 36mm - 5nm  ·  Astrodon O-III 36mm - 5nm  ·  Astrodon S-II 36mm - 5nm  ·  Astrodon R Gen.2 E-series 36mm  ·  Astrodon G Gen.2 E-series 36mm  ·  Astrodon B Gen.2 E-series 36mm

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30


Dates:Oct. 5, 2018Oct. 7, 2018Nov. 2, 2018Nov. 6, 2018

Frames:
Astrodon B Gen.2 E-series 36mm: 23x1" (23") (gain: 200.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 23x1" (23") (gain: 200.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 50x300" (4h 10') (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 23x300" (1h 55') (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 23x1" (23") (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 23x300" (1h 55') (gain: 200.00) -20C bin 1x1

Integration: 8h 1' 9"

Avg. Moon age: 26.41 days

Avg. Moon phase: 13.11%


Basic astrometry details

Astrometry.net job: 2371030


Resolution: 1656x2230

Locations: Berga Resort, Berga, Barcelona, Spain

Data source: Backyard

Description

Sh2-155 is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity.

It is widely known as the Cave Nebula, is an ionized H II region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth.

(description credits: wikipedia)

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  • Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada
    Original
  • Final
    Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada
    C

C

Description: Additional TGVDenoise after star reduction

Uploaded: ...

Sky plot

Sky plot

Histogram

Cave Nebula (Sh2-155) widefield in HSTrgb, 



    
        

            Jose Carballada